Difference between revisions of "LibreOffice-Suite-Base/C2/Introduction/English-timed"
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− | ||Welcome to the Spoken tutorial on LibreOffice Base. | + | ||Welcome to the '''Spoken tutorial''' on '''LibreOffice Base'''. |
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||00:04 | ||00:04 | ||
− | ||In this tutorial, we will learn about What is LibreOffice Base? | + | ||In this tutorial, we will learn about * What is LibreOffice Base? |
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||00:20 | ||00:20 | ||
− | ||LibreOffice Base is the database front-end of the LibreOffice suite. | + | ||'''LibreOffice Base''' is the database '''front-end''' of the '''LibreOffice suite'''. |
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||00:26 | ||00:26 | ||
− | ||Base is the equivalent of Microsoft Access. | + | ||'''Base''' is the equivalent of '''Microsoft Access'''. |
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||00:30 | ||00:30 | ||
− | ||Base is free and open source software, free of cost and free to use and distribute. | + | ||'''Base''' is free and open source software, free of cost and free to use and distribute. |
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||00:37 | ||00:37 | ||
− | ||Let us look at the | + | ||Let us look at the prerequisites for using 'Base'. |
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||00:41 | ||00:41 | ||
− | ||Following are the System requirements for Microsoft Windows | + | ||Following are the System requirements for Microsoft Windows: |
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||00:45 | ||00:45 | ||
− | ||Microsoft Windows 2000 (Service Pack 4 or higher), XP, Vista | + | ||'''Microsoft Windows 2000''' (Service Pack 4 or higher), '''XP, Vista''' or '''Windows 7''', Pentium-compatible PC up to 1.5 Gb available hard disk space. |
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||01:02 | ||01:02 | ||
− | ||For Ubuntu Linux, here are the System requirements | + | ||For '''Ubuntu Linux''', here are the System requirements: |
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||01:06 | ||01:06 | ||
− | ||Linux kernel version 2.6.18 or higher | + | ||'''Linux kernel''' version '''2.6.18''' or higher, Pentium-compatible PC. |
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||01:13 | ||01:13 | ||
− | ||For both Windows and Linux installation we require 256 Mb RAM (recommended 512 Mb) | + | ||For both, Windows and Linux installation, we require 256 Mb RAM (recommended 512 Mb). |
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||01:24 | ||01:24 | ||
− | ||For complete system requirements, visit the | + | ||For complete system requirements, visit the '''Libreoffice''' website. |
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||01:30 | ||01:30 | ||
− | ||You will also need to install Java Runtime Environment which you can download at the following link. | + | ||You will also need to install '''Java Runtime Environment''' which you can download at the following link. |
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||01:38 | ||01:38 | ||
− | ||Click on the | + | ||Click on the red button in the centre that says 'Free Java Download'. |
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||01:44 | ||01:44 | ||
− | ||Once the file is downloaded, double click on it and follow the instructions to install. | + | ||Once the file is downloaded, double-click on it and follow the instructions to install. |
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||01:52 | ||01:52 | ||
− | ||Let us now look at LibreOffice Base installation: | + | ||Let us now look at '''LibreOffice Base''' installation: |
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||01:56 | ||01:56 | ||
− | ||If you have already installed LibreOffice Suite with the complete installation option | + | ||If you have already installed 'LibreOffice Suite' with the '''complete installation''' option |
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||02:03 | ||02:03 | ||
− | || | + | ||then you can access LibreOffice Base by clicking on the '''Start''' menu at the bottom left of your screen. |
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||02:12 | ||02:12 | ||
− | ||Click on All Programs | + | ||Click on '''All Programs''' and then click on '''LibreOffice Suite'''. |
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||02:24 | ||02:24 | ||
− | ||you can install Base by visiting the official website and clicking on the green area that says 'Download LibreOffice'. | + | ||you can install '''Base''' by visiting the official website and clicking on the green area that says 'Download LibreOffice'. |
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||02:37 | ||02:37 | ||
− | ||Detailed instructions are available in the first tutorial of LibreOffice Suite. | + | ||Detailed instructions are available in the first tutorial of '''LibreOffice Suite'''. |
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||02:43 | ||02:43 | ||
− | ||Remember, when installing, use the 'Complete' option to install 'Base'. | + | ||Remember, when installing, use the '''Complete''' option to install 'Base'. |
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||02:54 | ||02:54 | ||
− | ||What can you do with LibreOffice Base? | + | ||What can you do with '''LibreOffice Base'''? |
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||02:57 | ||02:57 | ||
− | ||With Base | + | ||With Base - you can store organized data |
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||03:02 | ||03:02 | ||
− | ||perform data entries and view data using forms | + | || perform data entries and view data using forms |
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− | + | ||03:08 | |
− | ||retrieve information using queries and | + | || retrieve information using queries and |
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||03:12 | ||03:12 | ||
− | ||design and generate nice, printer-ready | + | || design and generate nice, printer-ready '''report'''s. |
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||03:17 | ||03:17 | ||
− | ||Base helps you to manage databases. | + | ||'''Base''' helps you to manage databases. |
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||03:21 | ||03:21 | ||
− | ||As you may know, a database is a group of data, forms, queries and | + | ||As you may know, a database is a group of '''data, forms, queries''' and '''report'''s. |
|- | |- | ||
||03:29 | ||03:29 | ||
− | ||For example, Base can be used to manage Customer Information | + | ||For example, 'Base' can be used to manage '''Customer Information database'''s, |
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||03:36 | ||03:36 | ||
− | ||track sales | + | ||track '''sales order'''s and '''invoice'''s, maintain student grade databases or build a '''library''' database. |
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||03:51 | ||03:51 | ||
− | ||A database has data stored and organized into | + | ||A database has data stored and organized into '''table'''s. |
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||03:56 | ||03:56 | ||
− | || | + | ||'''Table'''s have individual pieces of data, stored in rows and columns. |
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||04:03 | ||04:03 | ||
− | ||Such a database is also called a relational database where the tables have | + | ||Such a database is also called a '''relational database''' where the tables have '''relationship'''s with each other using the columns. |
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||04:15 | ||04:15 | ||
− | ||Let us consider a simple database for a Library. | + | ||Let us consider a simple database for a '''Library'''. |
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||04:20 | ||04:20 | ||
− | ||A library can be a collection of Books. | + | ||A '''library''' can be a collection of '''Books'''. |
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||04:23 | ||04:23 | ||
− | ||And books can be issued to members of the library. | + | ||And books can be issued to '''members''' of the library. |
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||04:28 | ||04:28 | ||
− | ||A book can have a | + | ||A book can have a '''Title''', an '''Author''', a '''Publisher''', Year of publication and a '''Price'''. |
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||04:37 | ||04:37 | ||
− | ||These are called characteristics or | + | ||These are called characteristics or '''attribute'''s. |
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||04:42 | ||04:42 | ||
− | ||Similarly, a Library member has a Name, | + | ||Similarly, a Library member has a '''Name, Phone number''' and an '''Address'''. |
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||04:48 | ||04:48 | ||
− | ||And the library issues books to its | + | ||And the '''library''' issues books to its '''member'''s only. |
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||04:54 | ||04:54 | ||
− | ||Now let us see | + | ||Now, let us see how we can store this data as individual '''table'''s of '''row'''s and '''column'''s. |
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||05:02 | ||05:02 | ||
− | |Information about each book can be stored in a Books table, | + | |Information about each book can be stored in a '''Books''' table, |
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||05:08 | ||05:08 | ||
− | ||with its attributes becoming the columns: book | + | ||with its attributes becoming the columns: book '''Title, Author, Publisher, Year of publication''' and '''Price'''. |
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||05:19 | ||05:19 | ||
− | ||To distinguish each book, let us also add a unique identifier column called BookId. | + | ||To distinguish each book, let us also add a unique identifier column called '''BookId'''. |
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||05:33 | ||05:33 | ||
− | ||Similarly, a Members table can have columns like Name and Phone | + | ||Similarly, a '''Members''' table can have columns like '''Name''' and '''Phone''' |
|- | |- | ||
||05:40 | ||05:40 | ||
− | || | + | ||and a '''Member Id''' to uniquely identify or distinguish each member. <pause> |
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||05:47 | ||05:47 | ||
− | ||And we can track the books issued to members in a third table called BooksIssued. | + | ||And we can track the books issued to members in a third table called '''BooksIssued'''. |
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||05:56 | ||05:56 | ||
− | ||This table will track the book issued, the member, date of issue, date of return, actual date of return, whether checked in or not. | + | ||This table will track the book issued, the member, date of issue, date of return, actual date of return, whether checked-in or not. |
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||06:09 | ||06:09 | ||
− | ||We can establish | + | ||We can establish '''relationship'''s among these tables, to interlink the data in them. |
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||06:16 | ||06:16 | ||
− | ||Now this helps us to manage 'relational | + | ||Now, this helps us to manage '''relational database'''s. |
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||06:22 | ||06:22 | ||
− | ||For advanced topics on relational databases, refer to our other tutorials by visiting the website Spoken tutorial.org | + | ||For advanced topics on relational databases, refer to our other tutorials by visiting the website '''Spoken tutorial.org'''. |
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||06:35 | ||06:35 | ||
− | ||Okay, let us now get started with our first Base database called “Library”! | + | ||Okay, let us now get started with our first '''Base''' database called “Library”! |
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||06:43 | ||06:43 | ||
− | ||To create a new | + | ||To create a new database, let us first open the '''Base''' program. |
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||06:50 | ||06:50 | ||
− | ||Then, click on the Windows Start menu at the bottom left of the screen | + | ||Then, click on the '''Windows''' '''Start''' menu at the bottom left of the screen. Then click on '''All Programs''', then '''LibreOffice Suite''' and '''LibreOffice Base'''. |
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|07:08 | |07:08 | ||
− | |A pop-up window titled Database Wizard opens. | + | |A '''pop-up window''' titled '''Database Wizard''' opens. |
|- | |- | ||
||07:13 | ||07:13 | ||
− | ||Click on the Next button to create a new database. | + | ||Click on the '''Next''' button to create a new database. |
|- | |- | ||
||07:19 | ||07:19 | ||
− | ||Click on the Finish button in the following window. | + | ||Click on the '''Finish''' button in the following '''window'''. |
|- | |- | ||
||07:23 | ||07:23 | ||
− | ||This opens a Save As window. | + | ||This opens a '''Save As''' window. |
|- | |- | ||
||07:27 | ||07:27 | ||
− | ||Since we are building a Library database, we will type "Library" in the File Name text box | + | ||Since we are building a '''Library database''', we will type "Library" in the '''File Name''' text-box |
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||07:35 | ||07:35 | ||
− | || | + | ||and then click on the '''Save''' button. |
|- | |- | ||
||07:39 | ||07:39 | ||
− | ||Now we are in. | + | ||Now, we are in.. |
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||07:46 | ||07:46 | ||
− | ||To create a new table, click the Tables icon in the Database list on the left. | + | ||To create a new table, click the '''Tables''' icon in the '''Database''' list on the left. |
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||07:54 | ||07:54 | ||
− | ||Click on the 'Create Table in Design View' in the Tasks list on the right.This opens another window. | + | ||Click on the ''''Create Table in Design View'''' in the '''Tasks''' list on the right. This opens another window. |
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||08:05 | ||08:05 | ||
− | ||Here, type | + | ||Here, type "BookId" as the first column under '''Field Name'''. |
|- | |- | ||
||08:13 | ||08:13 | ||
− | ||Use the Tab key to move to the Field Type column. | + | ||Use the '''Tab''' key to move to the '''Field Type''' column. |
|- | |- | ||
||08:18 | ||08:18 | ||
− | ||Since the BookId will be a different number for each book, select Integer as the Field Type from the | + | ||Since the '''BookId''' will be a different number for each book, select '''Integer''' as the '''Field Type''' from the drop-down list. |
|- | |- | ||
||08:32 | ||08:32 | ||
− | ||Change the Field Properties in the bottom section. | + | ||Change the '''Field Properties''' in the bottom section. |
|- | |- | ||
||08:36 | ||08:36 | ||
− | ||Change AutoValue from No to Yes. | + | ||Change '''AutoValue''' from '''"No"''' to '''"Yes"'''. |
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||08:46 | ||08:46 | ||
− | ||In other words this field is also called the Primary Key. | + | ||In other words, this field is also called the '''Primary Key'''. |
|- | |- | ||
||08:52 | ||08:52 | ||
− | ||Notice the yellow key symbol to the left of the BookId field. | + | ||Notice the yellow key symbol to the left of the '''BookId''' field. |
|- | |- | ||
||08:58 | ||08:58 | ||
− | ||Let us see how we can choose Field Types for | + | ||Let us see how we can choose '''Field Types''' for '''Field names'''. |
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||09:05 | ||09:05 | ||
− | ||Field types can be text, integer, numeric, decimal or date. | + | ||Field types can be '''text, integer, numeric, decimal''' or '''date'''. |
|- | |- | ||
||09:13 | ||09:13 | ||
− | ||Use | + | ||Use '''Text''' for fields that have general information, for example- '''name, title, address'''. |
|- | |- | ||
||09:22 | ||09:22 | ||
− | ||Use Integer, numeric, decimal for fields that may contain only numbers | + | ||Use '''Integer, numeric, decimal''' for fields that may contain only numbers. |
|- | |- | ||
||09:30 | ||09:30 | ||
− | |For example use numeric for a field with price information, Integer for years. | + | |For example- use '''numeric''' for a field with price information, '''Integer''' for years. |
|- | |- | ||
||09:39 | ||09:39 | ||
− | ||Let us create the rest of the | + | ||Let us create the rest of the '''field'''s now. |
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||09:43 | ||09:43 | ||
− | |Title | + | |'''Title- Field type: Text, Author-''' |
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||09:52 | ||09:52 | ||
− | ||Field type | + | ||'''Field type: Text, Published Year-''' |
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||09:59 | ||09:59 | ||
− | ||Field type Integer | + | ||'''Field type: Integer,''' |
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||10:05 | ||10:05 | ||
− | ||Publisher | + | ||'''Publisher-''' |
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||10:09 | ||10:09 | ||
− | ||Field type Text | + | ||'''Field type: Text,''' |
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||10:11 | ||10:11 | ||
− | ||Price | + | ||'''Price-''' |
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||10:14 | ||10:14 | ||
− | ||Field type Numeric | + | ||'''Field type: Numeric'''. |
|- | |- | ||
||10:18 | ||10:18 | ||
− | ||Change the Length to 5 and Decimal places to 2. | + | ||Change the '''Length''' to '''5''' and '''Decimal places''' to '''2'''. |
|- | |- | ||
||10:25 | ||10:25 | ||
− | ||Click the Format example button. | + | ||Click the '''Format example''' button. |
|- | |- | ||
||10:29 | ||10:29 | ||
− | ||This opens the Field Format window. | + | ||This opens the '''Field Format''' window. |
|- | |- | ||
||10:33 | ||10:33 | ||
− | ||Select Currency from the Category | + | ||Select '''Currency''' from the '''Category''' list and '''INR''' from the '''Format''' list. |
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||11:02 | ||11:02 | ||
− | |Click on the OK button. Now we have created all the columns for the Books table. | + | |Click on the '''OK''' button. Now we have created all the columns for the '''Books''' table. |
|- | |- | ||
||11:11 | ||11:11 | ||
− | ||Let us now save the table. | + | ||Let us now '''save''' the table. |
|- | |- | ||
||11:14 | ||11:14 | ||
− | ||Click on the Save icon that is below the File menu. | + | ||Click on the '''Save''' icon that is below the '''File''' menu. |
|- | |- | ||
||11:20 | ||11:20 | ||
− | ||Type | + | ||Type "Books" in the '''Table Name''' text-box. |
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||11:25 | ||11:25 | ||
− | ||Note that it is saved in the same location as the database ‘Library’ as tables are a part of a database. | + | ||Note that it is saved in the same location as the database '''‘Library’''', as tables are a part of a database. |
|- | |- | ||
||11:36 | ||11:36 | ||
− | || | + | ||And click on the '''OK''' button. |
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||11:39 | ||11:39 | ||
− | ||In the next tutorial, we will add data to the Books table and create the Members and BooksIssued tables. | + | ||In the next tutorial, we will add data to the '''Books''' table and create the '''Members''' and '''BooksIssued''' tables. |
|- | |- | ||
||11:50 | ||11:50 | ||
− | ||This brings us to the end of this tutorial | + | ||This brings us to the end of this tutorial. |
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||12:03 | ||12:03 | ||
− | ||What can you do with Base? Relational Database basics | + | ||What can you do with Base? 'Relational Database basics' |
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||12:08 | ||12:08 | ||
− | ||Create a new database, | + | ||Create a new database, create a table. |
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||12:13 | ||12:13 | ||
− | ||The next tutorial in this series is | + | ||The next tutorial in this series is '''Tables and Relationships'''. |
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||12:18 | ||12:18 | ||
− | ||Spoken Tutorial | + | ||'''Spoken Tutorial''' project is a part of the '''Talk to a Teacher''' project, |
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||12:32 | ||12:32 | ||
− | ||This project is co-ordinated by Spoken Tutorial.org | + | ||This project is co-ordinated by Spoken Tutorial.org |
+ | http://spoken-tutorial.org. | ||
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||12:44 | ||12:44 | ||
− | ||This | + | ||This script has been contributed by Priya Suresh, DesiCrew Solutions. And this is Soundharya, DesiCrew Solutions, signing off. |
− | + | Thanks for joining. | |
− | And this is | + | |
− | + | ||
− | Thanks for joining | + |
Latest revision as of 12:11, 23 March 2017
Time | Narration |
00:00 | Welcome to the Spoken tutorial on LibreOffice Base. |
00:04 | In this tutorial, we will learn about * What is LibreOffice Base? |
00:09 | Prerequisites for using Base |
00:12 | What can you do with Base? |
00:14 | Relational Database basics, Create a new database, Create a table. |
00:20 | LibreOffice Base is the database front-end of the LibreOffice suite. |
00:26 | Base is the equivalent of Microsoft Access. |
00:30 | Base is free and open source software, free of cost and free to use and distribute. |
00:37 | Let us look at the prerequisites for using 'Base'. |
00:41 | Following are the System requirements for Microsoft Windows: |
00:45 | Microsoft Windows 2000 (Service Pack 4 or higher), XP, Vista or Windows 7, Pentium-compatible PC up to 1.5 Gb available hard disk space. |
01:02 | For Ubuntu Linux, here are the System requirements: |
01:06 | Linux kernel version 2.6.18 or higher, Pentium-compatible PC. |
01:13 | For both, Windows and Linux installation, we require 256 Mb RAM (recommended 512 Mb). |
01:24 | For complete system requirements, visit the Libreoffice website. |
01:30 | You will also need to install Java Runtime Environment which you can download at the following link. |
01:38 | Click on the red button in the centre that says 'Free Java Download'. |
01:44 | Once the file is downloaded, double-click on it and follow the instructions to install. |
01:52 | Let us now look at LibreOffice Base installation: |
01:56 | If you have already installed 'LibreOffice Suite' with the complete installation option |
02:03 | then you can access LibreOffice Base by clicking on the Start menu at the bottom left of your screen. |
02:12 | Click on All Programs and then click on LibreOffice Suite. |
02:21 | If you have not installed LibreOffice Suite, |
02:24 | you can install Base by visiting the official website and clicking on the green area that says 'Download LibreOffice'. |
02:37 | Detailed instructions are available in the first tutorial of LibreOffice Suite. |
02:43 | Remember, when installing, use the Complete option to install 'Base'. |
02:50 | Okay, let us go to the next topic now. |
02:54 | What can you do with LibreOffice Base? |
02:57 | With Base - you can store organized data |
03:02 | perform data entries and view data using forms |
03:08 | retrieve information using queries and |
03:12 | design and generate nice, printer-ready reports. |
03:17 | Base helps you to manage databases. |
03:21 | As you may know, a database is a group of data, forms, queries and reports. |
03:29 | For example, 'Base' can be used to manage Customer Information databases, |
03:36 | track sales orders and invoices, maintain student grade databases or build a library database. |
03:47 | Let us now learn about some basics of databases. |
03:51 | A database has data stored and organized into tables. |
03:56 | Tables have individual pieces of data, stored in rows and columns. |
04:03 | Such a database is also called a relational database where the tables have relationships with each other using the columns. |
04:15 | Let us consider a simple database for a Library. |
04:20 | A library can be a collection of Books. |
04:23 | And books can be issued to members of the library. |
04:28 | A book can have a Title, an Author, a Publisher, Year of publication and a Price. |
04:37 | These are called characteristics or attributes. |
04:42 | Similarly, a Library member has a Name, Phone number and an Address. |
04:48 | And the library issues books to its members only. |
04:54 | Now, let us see how we can store this data as individual tables of rows and columns. |
05:02 | Information about each book can be stored in a Books table, |
05:08 | with its attributes becoming the columns: book Title, Author, Publisher, Year of publication and Price. |
05:19 | To distinguish each book, let us also add a unique identifier column called BookId. |
05:27 | This way, we can have two completely different books with the same title. |
05:33 | Similarly, a Members table can have columns like Name and Phone |
05:40 | and a Member Id to uniquely identify or distinguish each member. <pause> |
05:47 | And we can track the books issued to members in a third table called BooksIssued. |
05:56 | This table will track the book issued, the member, date of issue, date of return, actual date of return, whether checked-in or not. |
06:09 | We can establish relationships among these tables, to interlink the data in them. |
06:16 | Now, this helps us to manage relational databases. |
06:22 | For advanced topics on relational databases, refer to our other tutorials by visiting the website Spoken tutorial.org. |
06:35 | Okay, let us now get started with our first Base database called “Library”! |
06:43 | To create a new database, let us first open the Base program. |
06:50 | Then, click on the Windows Start menu at the bottom left of the screen. Then click on All Programs, then LibreOffice Suite and LibreOffice Base. |
07:08 | A pop-up window titled Database Wizard opens. |
07:13 | Click on the Next button to create a new database. |
07:19 | Click on the Finish button in the following window. |
07:23 | This opens a Save As window. |
07:27 | Since we are building a Library database, we will type "Library" in the File Name text-box |
07:35 | and then click on the Save button. |
07:39 | Now, we are in.. |
07:42 | Next, let us create tables to store data. |
07:46 | To create a new table, click the Tables icon in the Database list on the left. |
07:54 | Click on the 'Create Table in Design View' in the Tasks list on the right. This opens another window. |
08:05 | Here, type "BookId" as the first column under Field Name. |
08:13 | Use the Tab key to move to the Field Type column. |
08:18 | Since the BookId will be a different number for each book, select Integer as the Field Type from the drop-down list. |
08:32 | Change the Field Properties in the bottom section. |
08:36 | Change AutoValue from "No" to "Yes". |
08:41 | This field now will uniquely identify each book. |
08:46 | In other words, this field is also called the Primary Key. |
08:52 | Notice the yellow key symbol to the left of the BookId field. |
08:58 | Let us see how we can choose Field Types for Field names. |
09:05 | Field types can be text, integer, numeric, decimal or date. |
09:13 | Use Text for fields that have general information, for example- name, title, address. |
09:22 | Use Integer, numeric, decimal for fields that may contain only numbers. |
09:30 | For example- use numeric for a field with price information, Integer for years. |
09:39 | Let us create the rest of the fields now. |
09:43 | Title- Field type: Text, Author- |
09:52 | Field type: Text, Published Year- |
09:59 | Field type: Integer, |
10:05 | Publisher- |
10:09 | Field type: Text, |
10:11 | Price- |
10:14 | Field type: Numeric. |
10:18 | Change the Length to 5 and Decimal places to 2. |
10:25 | Click the Format example button. |
10:29 | This opens the Field Format window. |
10:33 | Select Currency from the Category list and INR from the Format list. |
10:42 | Let us choose Rs. 1234.00 that has two decimal places. |
10:54 | Notice that the total length is five, inclusive of the two decimal places. |
11:02 | Click on the OK button. Now we have created all the columns for the Books table. |
11:11 | Let us now save the table. |
11:14 | Click on the Save icon that is below the File menu. |
11:20 | Type "Books" in the Table Name text-box. |
11:25 | Note that it is saved in the same location as the database ‘Library’, as tables are a part of a database. |
11:36 | And click on the OK button. |
11:39 | In the next tutorial, we will add data to the Books table and create the Members and BooksIssued tables. |
11:50 | This brings us to the end of this tutorial. |
11:54 | To summarize, we covered the following: |
11:58 | What is LibreOffice Base? |
12:01 | Prerequisites for using Base |
12:03 | What can you do with Base? 'Relational Database basics' |
12:08 | Create a new database, create a table. |
12:13 | The next tutorial in this series is Tables and Relationships. |
12:18 | Spoken Tutorial project is a part of the Talk to a Teacher project, |
12:24 | supported by the National Mission on Education through ICT, MHRD, Government of India. |
12:32 | This project is co-ordinated by Spoken Tutorial.org |
12:38 | More information on the same is available at the following link. |
12:44 | This script has been contributed by Priya Suresh, DesiCrew Solutions. And this is Soundharya, DesiCrew Solutions, signing off.
Thanks for joining. |